What would be the pricing for a 12 unit condo in CA?
First off, that’s a commercial project. Are you insured for that?
Secondly, you haven’t provided any information to help determine what the fee might be.
How many buildings/structures?
What is the total square footage between all units?
Occupied or unoccupied?
Crawl or slab?
Individual water heaters or a central heater/boiler?